[OONBB MUSCOKUM. 47 



DESMATODON PLINTIIOWUS, Suttiv. &r Lesqx. 



Tab. 30. 



PlanttE humiles, in csespitibus pulvinatis e glauco-viridi ca- 

 nesccntibus confertae. 



Caulis simplex vel innovatione divisus, subsemiuncialis, radi- 

 culis usque ad apicem instructus. 



Folia sicca tortilia, liumida erecto-patentia ; inferiora ovato- 

 oblonga, brevipila ; terminalia ligulato-oblonga, obtusa, carinato- 

 concava, toto ambitu anguste arete revoluta ut marginata 

 videantur, inferne laxius pellucide oblongo- superne minute 

 quadrato-areolata, valde chlorophyllosa, papillosa ; costa valida 

 lutescente in pilum (folii fere longitudine) incanum lseve flex- 

 uosum producta. 



Flores dioici : masculi gemmacei, terminales ; antheridiis 8- 

 10 copiose paraphysatis. 



Capsula cylindraceo-oblonga, erecta, recta vel curvula, cucul- 

 lato-calyptrata, in pedicello 5-10-lineari elata, speciose annu- 

 lata ; operculo e basi conica crasse obtuse rostrato ; peristomio 

 brevi, dentibus sedecem fragilibus baud tortis albidis granu- 

 losis remote articulatis ad medium fissis. 



Dksmatodon plinthobius, Sulliv. et Lesqx. Muse. Bor.-Amer. Exsicc. 

 (ed. 1), No. 94; Sulliv. Mosses U. States, p. 28, t. 2. 



Hab. Brick pavements, Charleston, South Carolina, Ravenel. 

 Nashville, Tennessee, Lesquereux. Limestone Rocks, Penn- 

 sylvania, Porter. Texas, Lindheimer. 



Very like Desmatodon latifolius, Bryol. Eur op. ; but that 

 species has a leaf with a shorter hair-point, a shorter and wider 

 capsule, an operculum with a short and obtuse rostrum, a longer 

 calyptra descending to the base of the capsule, a simple nar- 



